FTP客户端C++版

1、（1）头文件：FTPClient.h#include<conio.h>#define MAX_SIZE 4096#include<iostream>#include<winsock2.h>#include<string>#include<fstream>#pragma comment(lib,"ws2_32.lib")using namespace std;class FTPClientpublic:bool RecvReply(); /控制连接接收bool SendCommand(); /向FTP服务器发送命令b

2、ool DataConnect(char* ServerAddr); /向FTP服务器发送命令bool mkdirectory(); /FTP服务器发送MKD命令bool changedir(); /FTP服务器发送CWD命令bool FTPConnection(char* FTPIP,int port); /建立与Socket库绑定bool useuser(); /向FTP服务器发送USER命令bool usepass(); /向FTP服务器发送PASS命令void subcommend(string& filepath,string& filename); /输入和转换IP

3、地址void storfile(char* FTPIP); /上传文件void retrfile(char* FTPIP); /下载文件void listftp(char* FTPIP); /列出FTP服务器目录void deletefile(); /删除文件void quitftp(); /退出客户端void help(); /帮助void about(); /aboutbool ishavedetail;char CmdBufMAX_SIZE;char CommandMAX_SIZE;char ReplyMsgMAX_SIZE;private:int nReplycode;bool bCo

4、nnected;bool buser;SOCKET SocketControl;SOCKET SocketData;（2）源文件：FTPClient.cpp#include<conio.h>#define MAX_SIZE 4096#include<iostream>#include<winsock2.h>#include<string>#include<fstream>#include"FTPClient.h"using namespace std;#pragma comment(lib,"ws2_32

5、.lib")bool FTPClient:RecvReply() /控制连接接收int nRecv;memset(ReplyMsg, 0, MAX_SIZE);nRecv = recv(SocketControl, ReplyMsg, MAX_SIZE, 0);if (nRecv = SOCKET_ERROR)cout << "Socket receive error!" << endl;closesocket(SocketControl);return false;/获取相应信息与响应码if (nRecv > 4)char *Rep

6、lyCodes = new char3;memset(ReplyCodes, 0, 3);memcpy(ReplyCodes, ReplyMsg, 3);nReplycode = atoi(ReplyCodes);return true;bool FTPClient:SendCommand() /向FTP服务器发送命令/控制连接发送数据int nSend;nSend = send(SocketControl, Command, strlen(Command), 0);if (nSend = SOCKET_ERROR)cout << "Socket send error!&

7、quot; << endl;return false;return true;bool FTPClient:DataConnect(char* ServerAddr)/向FTP服务器发送PASV命令memset(Command, 0, MAX_SIZE);memcpy(Command, "PASV", strlen("PASV");memcpy(Command + strlen("PASV"), "rn", 2);if (!SendCommand()return false;/获取PASV命令的应答信息

8、if (RecvReply()if (nReplycode != 227)cout << "PASV response error!" << endl;closesocket(SocketControl);return false;/分离PASV命令应答信息char* part6;if (strtok(ReplyMsg, "(")for (int i = 0; i < 5; i+)parti = strtok(NULL, ",");if (!parti)return false;part5 = strto

9、k(NULL, ")");if (!part5)return false;elsereturn false;/获取FTP服务器数据端口、unsigned short ServerPort;ServerPort = unsigned short(atoi(part4) << 8) + atoi(part5);/创建数据连接SocketSocketData = socket(AF_INET, SOCK_STREAM, 0);if (SocketData = INVALID_SOCKET)cout << "Create socket error!

10、" << endl;return false;/定义Socket地址和端口sockaddr_in serveraddr2;memset(&serveraddr2, 0, sizeof(serveraddr2);serveraddr2.sin_family = AF_INET;serveraddr2.sin_port = htons(ServerPort);serveraddr2.sin_addr.S_un.S_addr = inet_addr(ServerAddr);/向FTP服务器发送Connect请求int nConnect;nConnect = connec

11、t(SocketData, (sockaddr*)&serveraddr2, sizeof(serveraddr2);if (nConnect = SOCKET_ERROR)cout << endl << "Server connect error!" << endl;return false;return true;bool FTPClient:mkdirectory() /FTP服务器发送MKD命令if (!ishavedetail)cout << "请输入你要创建的文件夹名："memset(C

12、mdBuf, 0, MAX_SIZE);cin.getline(CmdBuf, MAX_SIZE, 'n');memset(Command, 0, MAX_SIZE);memcpy(Command, "MKD ", strlen("MKD ");memcpy(Command + strlen("MKD "), CmdBuf, strlen(CmdBuf);memcpy(Command + strlen("MKD ") + strlen(CmdBuf), "rn", 2);/cou

13、t<<"Command:"<<Command<<endl;if (!SendCommand()return false;/-获得MKD命令的应答信息-if (RecvReply()if (nReplycode = 257)/257:cout << ReplyMsg << endl;elsecout << "MKD response error!" << endl;closesocket(SocketControl);return false;return true;boo

14、l FTPClient:changedir() /FTP服务器发送CWD命令if (!ishavedetail)cout << "请输入你要进入的文件夹路径："memset(CmdBuf, 0, MAX_SIZE);cin.getline(CmdBuf, MAX_SIZE, 'n');memset(Command, 0, MAX_SIZE);memcpy(Command, "CWD ", strlen("CWD ");memcpy(Command + strlen("CWD "), Cm

15、dBuf, strlen(CmdBuf);memcpy(Command + strlen("CWD ") + strlen(CmdBuf), "rn", 2);if (!SendCommand()return false;/-获得CWD命令的应答信息-if (RecvReply()cout << "nReplyCode:" << nReplycode << endl;if (nReplycode = 250)/257:cout << ReplyMsg << endl;else

16、cout << "CWD response error!" << endl;closesocket(SocketControl);return false;return true;bool FTPClient:FTPConnection(char* FTPIP, int port) /建立与Socket库绑定WSADATA WSAData; /WSADAT:WSADATA结构被用来储存调用AfxSocketInit全局函数返回的Windows Sockets初始化信息if (WSAStartup(MAKEWORD(2, 2), &WSADat

17、a) != 0) /WSAStartup：初始化当前线程通信环境 MAKEWORD：合并短整数cout << "WSAStartup error!" << endl;return false;/创建控制连接SocketSocketControl = socket(AF_INET, SOCK_STREAM, 0);if (SocketControl = INVALID_SOCKET)cout << "Creat socket error!" << endl;return false;/定义Socket地址和端

18、口sockaddr_in serveraddr;memset(&serveraddr, 0, sizeof(serveraddr);serveraddr.sin_family = AF_INET;/serveraddr.sin_port = htons(port);/端口serveraddr.sin_addr.S_un.S_addr = inet_addr(FTPIP);/地址/向FTP服务器发送Connect请求cout << "FTP>Control connect." << endl;int nConnect = connect(

19、SocketControl, (sockaddr*)&serveraddr, sizeof(serveraddr);if (nConnect = SOCKET_ERROR)cout << "Server connect error!" << endl;return false;/获得Connect应答信息if (RecvReply()if (nReplycode = 220)cout << ReplyMsg << endl;elsecout << "Connet response error!&q

20、uot; << endl;closesocket(SocketControl);return false;bConnected = true;return true;bool FTPClient:useuser() /向FTP服务器发送USER命令cout << "FTP>用户名:"memset(CmdBuf, 0, MAX_SIZE);cin.getline(CmdBuf, MAX_SIZE, 'n');memset(Command, 0, MAX_SIZE);memcpy(Command, "USER "

21、, strlen("USER ");memcpy(Command + strlen("USER "), CmdBuf, strlen(CmdBuf);memcpy(Command + strlen("USER ") + strlen(CmdBuf), "rn", 2);cout << "Command:" << Command << endl;if (!SendCommand()return false;/获得USER命令的应答信息if (RecvReply(

22、)if (nReplycode = 331)/230:User logged in,proceed;/331:User Name okay,need password;cout << ReplyMsg << endl;elsecout << "USER response error!" << endl;closesocket(SocketControl);return false;buser = true;return true;bool FTPClient:usepass() /向FTP服务器发送PASS命令if (buse

23、r)buser = false;cout << "FTP>密 码:"memset(CmdBuf, 0, MAX_SIZE);cout.flush();for (int i = 0; i < MAX_SIZE; i+)CmdBufi = getch();if (CmdBufi = 'r')CmdBufi = '0'break;elsecout << '*'cout << endl;memset(Command, 0, MAX_SIZE);memcpy(Command, "

24、PASS ", strlen("PASS ");memcpy(Command + strlen("PASS "), CmdBuf, strlen(CmdBuf);memcpy(Command + strlen("PASS ") + strlen(CmdBuf), "rn", 2);if (!SendCommand()return false;/获得PASS命令的应答信息if (RecvReply()if (nReplycode = 230)/230:User logged in,proceed;cout

25、<< ReplyMsg << endl;elsecout << "PASS respanse error!" << endl;return false;return true;void FTPClient:storfile(char* FTPIP)if (!ishavedetail)cout << "请输入上传文件名："memset(CmdBuf, 0, MAX_SIZE);cin.getline(CmdBuf, MAX_SIZE, 'n');ifstream f2;f2.ope

26、n(CmdBuf, ios:in);if (!f2)cout << "Cannot open file!" << endl;return;string strPath(CmdBuf);string filepath, filename;int nPos = strPath.rfind('');if (-1 != nPos)filename = strPath.substr(nPos + 1, strPath.length() - nPos - 1);filepath = strPath.substr(0, nPos);cout <

27、;< "filename:" << filename << endl;cout << "filepath:" << filepath << endl;memset(CmdBuf, 0, MAX_SIZE);memcpy(CmdBuf, filename.data(), strlen(filename.data();char FtpStorMAX_SIZE;memset(FtpStor, 0, MAX_SIZE);memcpy(FtpStor, FTPIP, strlen(FTPIP);if

28、 (!DataConnect(FtpStor)return;memset(Command, 0, MAX_SIZE);memcpy(Command, "STOR ", strlen("STOR ");memcpy(Command + strlen("STOR "), CmdBuf, strlen(CmdBuf);memcpy(Command + strlen("STOR ") + strlen(CmdBuf), "rn", 2);if (!SendCommand()return;if (Recv

29、Reply()if (nReplycode = 125 | nReplycode = 150 | nReplycode = 226)cout << ReplyMsg;else cout << "STOR respanse error!" << endl;closesocket(SocketControl);return;char ListBuf2MAX_SIZE;while (true)memset(ListBuf2, 0, MAX_SIZE);f2.read(ListBuf2, MAX_SIZE);int nStor = send(So

30、cketData, ListBuf2, MAX_SIZE, 0);if (nStor = SOCKET_ERROR)cout << endl << "Socket send error!" << endl;closesocket(SocketData);return;break;f2.close();closesocket(SocketData);if (RecvReply()if (nReplycode = 226)cout << ReplyMsg;elsecout << "STOR response

31、error!" << endl;closesocket(SocketControl);return;void FTPClient:retrfile(char* FTPIP)if (!ishavedetail)cout << "请输入下载文件名：" << endl;memset(CmdBuf, 0, MAX_SIZE);cin.getline(CmdBuf, MAX_SIZE, 'n');char FtpRetrMAX_SIZE;memset(FtpRetr, 0, MAX_SIZE);memcpy(FtpRetr

32、, FTPIP, strlen(FTPIP);if (!DataConnect(FtpRetr)return;memset(Command, 0, MAX_SIZE);memcpy(Command, "RETR ", strlen("RETR ");memcpy(Command + strlen("RETR "), CmdBuf, strlen(CmdBuf);memcpy(Command + strlen("RETR ") + strlen(CmdBuf), "rn", 2);cout <

33、;< "请输入保存的文件名："memset(CmdBuf, 0, MAX_SIZE);cin.getline(CmdBuf, MAX_SIZE, 'n');if (!SendCommand()return;if (RecvReply()cout << "nReplyCode:" << nReplycode;if (nReplycode = 125 | nReplycode = 150 | nReplycode = 226)cout << ReplyMsg;else cout << &q

34、uot;RETR respanse error!" << endl;closesocket(SocketControl);return;ofstream f1(CmdBuf);if (!f1)cout << "file can not open" << endl;return;int nRetr;char ListBuf1MAX_SIZE;while (true)memset(ListBuf1, 0, MAX_SIZE);nRetr = recv(SocketData, ListBuf1, MAX_SIZE, 0);f1.wri

35、te(ListBuf1, MAX_SIZE);if (nRetr = SOCKET_ERROR)cout << endl << "Socket receive error!" << endl;closesocket(SocketData);return;if (nRetr <= 0)break;f1.close();closesocket(SocketData);if (RecvReply()if (nReplycode = 226)cout << ReplyMsg;elsecout << "RET

36、R response error!" << endl;closesocket(SocketControl);return;void FTPClient:listftp(char* FTPIP) /列出FTP服务器目录/FTP服务器发送LIST命令char FtpServerMAX_SIZE;memset(FtpServer, 0, MAX_SIZE);memcpy(FtpServer, FTPIP, strlen(FTPIP);if (!DataConnect(FtpServer)/数据连接return;memset(Command, 0, MAX_SIZE);memcp

37、y(Command, "LIST", strlen("LIST");memcpy(Command + strlen("LIST"), "rn", 2);if (!SendCommand()return;/-获得LIST命令的应答信息-if (RecvReply()/125:Data connection alreadly open;transfer staring./150:File status okay, about to data connection;/226: closing data connectio

38、n;/150:Opening ASCII mode data connection for /bin/ls;if (nReplycode = 125 | nReplycode = 150 | nReplycode = 226)cout << ReplyMsg;else cout << "LIST respanse error!" << endl;closesocket(SocketControl);return;/获得LIST命令的目录信息int nRecv;char ListBufMAX_SIZE;while (true)memset(

39、ListBuf, 0, MAX_SIZE);nRecv = recv(SocketData, ListBuf, MAX_SIZE, 0);if (nRecv = SOCKET_ERROR)cout << endl << "Socket receive error!" << endl;closesocket(SocketData);return;if (nRecv <= 0)break;cout << ListBuf;closesocket(SocketData);/-获得LIST命令的应答信息-if (RecvReply

40、()if (nReplycode = 226)/226: closing data connection;transfer complete;cout << ReplyMsg;elsecout << "LIST response error!" << endl;closesocket(SocketControl);return;void FTPClient:deletefile() /if (!ishavedetail)cout << "请输入你要删除的文件名："memset(CmdBuf, 0, MAX_

41、SIZE);cin.getline(CmdBuf, MAX_SIZE, 'n');memset(Command, 0, MAX_SIZE);memcpy(Command, "DELE ", strlen("DELE ");memcpy(Command + strlen("DELE "), CmdBuf, strlen(CmdBuf);memcpy(Command + strlen("DELE ") + strlen(CmdBuf), "rn", 2);if (!SendComma

42、nd()return;/-获得DELE命令的应答信息-if (RecvReply()if (nReplycode = 250)/230:User logged in,proceed;/331:User Name okay,need password;cout << ReplyMsg << endl;elsecout << "DELE response error!" << endl;closesocket(SocketControl);return;void FTPClient:quitftp()/-向FTP服务器发送QUIT

43、命令-memset(Command, 0, MAX_SIZE);memcpy(Command, "QUIT", strlen("QUIT");memcpy(Command + strlen("QUIT"), "rn", 2);if (!SendCommand()return;/-获得QUIT命令的应答信息-if (RecvReply()if (nReplycode = 221)/221：goodbay,closing session;cout << ReplyMsg;bConnected = false

44、;/buser=false;closesocket(SocketControl);return;elsecout << endl << "QUIT response error!" << endl;closesocket(SocketControl);return;WSACleanup();void FTPClient:subcommend(string& filepath, string& filename) /输入和转换IP地址memset(CmdBuf, 0, MAX_SIZE);cin.getline(CmdBuf

45、, MAX_SIZE, 'n');string strPath(CmdBuf);int nPos = strPath.rfind(' ');if (-1 != nPos)filename = strPath.substr(nPos + 1, strPath.length() - nPos - 1);filepath = strPath.substr(0, nPos);elsefilepath = CmdBuf;void FTPClient:about()cout << "-关于FTP客户端控制台版-" << endl;

46、cout << endl;cout << "程序名称：FTP客户端控制台版" << endl;cout << "程序语言：C+" << endl;cout << "小组成员：刘锐翊 杨润 牟林 李良俊 陈秋燕 毛虹" << endl;cout << "编译日期：2015年12月30日" << endl;cout << endl;cout << "-" <<

47、; endl;cout << endl;void FTPClient:help()cout << "-FTP客户端控制台版帮助-" << endl;cout << endl;cout << "ls 列出所有目录与文件" << endl;cout << "stor 上传文件" << endl;cout << "retr 下载文件" << endl;cout << "dele 删除文件" << endl;cout << "mkd 创建文件" << endl;cout << "cwd 进入指定目录" << endl;cout << "help 帮助" << endl;cout << "about